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By Alex Wierbinski - Posted on 14 September 2017



First Snow on Tahoe Rim

Lake Tahoe sees first snowfall of 2017-18 season,
Sierra Sun, September 14, 2017.

I noted "feeling" the changing position of the Sun on August 12, and now we've seen the first snow indicating the seasonal shift to Fall conditions is well underway, despite the record-setting tropical heat.
We've been seeing declining temps at elevation on the Sierra Crest, and seen the tropical push behind our recent Heat Wave and hot, tropical weather weaken a bit, finally letting in these cool breezes from the North, and our first real indication of declining temps beginning the Fall transition into Winter conditions.

I have a feeling the "Indian Summer" may extend right to the doorstep of Winter this year.

Nonetheless, it is time to replace the lightweight Summertime shell with the medium-weight shell of Fall, and consider adding another layer of insulation, or fattening up our existing layers, 


Predictions, Probabilities, & Prognostications
How The Upcoming Winter of 2017-18? 


Gear Selection Implications

Four Season High Sierra Gear List 


Last two High Sierra Crest Temp Samples:

August 2 on the Calendar

September 14 on the Calendar


Weather Resources
All HIgh Sierra Reporting Stations

All Snow Prediction and Status


High Sierra Hazard Report


All September 2017 Trail News


What are you seeing with the transition into Fall conditions, or the lack of transition?


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